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authorThomas Gleixner <tglx@linutronix.de>2007-10-11 05:20:03 -0400
committerThomas Gleixner <tglx@linutronix.de>2007-10-11 05:20:03 -0400
commit96a388de5dc53a8b234b3fd41f3ae2cedc9ffd42 (patch)
treed947a467aa2da3140279617bc4b9b101640d7bf4 /include/asm-x86/irq_regs_32.h
parent27bd0c955648646abf2a353a8371d28c37bcd982 (diff)
i386/x86_64: move headers to include/asm-x86
Move the headers to include/asm-x86 and fixup the header install make rules Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-x86/irq_regs_32.h')
-rw-r--r--include/asm-x86/irq_regs_32.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/include/asm-x86/irq_regs_32.h b/include/asm-x86/irq_regs_32.h
new file mode 100644
index 000000000000..3368b20c0b48
--- /dev/null
+++ b/include/asm-x86/irq_regs_32.h
@@ -0,0 +1,29 @@
1/*
2 * Per-cpu current frame pointer - the location of the last exception frame on
3 * the stack, stored in the per-cpu area.
4 *
5 * Jeremy Fitzhardinge <jeremy@goop.org>
6 */
7#ifndef _ASM_I386_IRQ_REGS_H
8#define _ASM_I386_IRQ_REGS_H
9
10#include <asm/percpu.h>
11
12DECLARE_PER_CPU(struct pt_regs *, irq_regs);
13
14static inline struct pt_regs *get_irq_regs(void)
15{
16 return x86_read_percpu(irq_regs);
17}
18
19static inline struct pt_regs *set_irq_regs(struct pt_regs *new_regs)
20{
21 struct pt_regs *old_regs;
22
23 old_regs = get_irq_regs();
24 x86_write_percpu(irq_regs, new_regs);
25
26 return old_regs;
27}
28
29#endif /* _ASM_I386_IRQ_REGS_H */